They can be hard to use at first, but once you get used to how it works it should be smooth sailing. Just remember that the placement of the Ebow has a large affect on the sound/volume of the tone produced
Pitchblack - Fulltone Octafuzz - Hardwire OD - Blakemore Effects Deus Ex Machina - MXR Micro Chorus - Diamond Memory Lane Jr - EHX SMMH - Neunaber Wet